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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+#ifndef _UNO_CURRENT_CONTEXT_HXX_
+#define _UNO_CURRENT_CONTEXT_HXX_
+
+#include <uno/current_context.h>
+
+#include <com/sun/star/uno/XCurrentContext.hpp>
+
+
+namespace com
+{
+namespace sun
+{
+namespace star
+{
+namespace uno
+{
+
+/** Getting the current context.
+ @attention
+ Don't spread the returned interface around to other threads. Every thread has its own
+ current context.
+
+ @return current context or null ref, if none is set
+*/
+inline Reference< XCurrentContext > SAL_CALL getCurrentContext()
+ SAL_THROW( () )
+{
+ Reference< XCurrentContext > xRet;
+ ::rtl::OUString aEnvTypeName( RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME) );
+ ::uno_getCurrentContext( (void **)&xRet, aEnvTypeName.pData, 0 );
+ return xRet;
+}
+/** Setting the current context.
+
+ @param xContext current context to be set
+ @return true, if context has been successfully set
+*/
+inline bool SAL_CALL setCurrentContext(
+ Reference< XCurrentContext > const & xContext )
+ SAL_THROW( () )
+{
+ ::rtl::OUString aEnvTypeName( RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME) );
+ return (::uno_setCurrentContext( xContext.get(), aEnvTypeName.pData, 0 ) != sal_False);
+}
+
+/** Objects of this class are used for applying a current context until they are destructed, i.e.
+ the ctor of this class saves the previous and sets the given context while the dtor restores
+ the previous one upon destruction.
+*/
+class ContextLayer
+{
+ /** this C++ environment type name.
+ @internal
+ */
+ ::rtl::OUString m_aEnvTypeName;
+ /** previous context
+ @internal
+ */
+ Reference< XCurrentContext > m_xPreviousContext;
+
+public:
+ /** Constructor: Saves the previous context and sets the new (given) one.
+
+ @param xNewContext new context to be set
+ */
+ inline ContextLayer(
+ Reference< XCurrentContext > const & xNewContext = Reference< XCurrentContext >() )
+ SAL_THROW( () );
+ /** Destructor: restores the previous context.
+ */
+ inline ~ContextLayer() SAL_THROW( () );
+
+ /** Gets the previously set context.
+
+ @return the previously set context
+ */
+ inline Reference< XCurrentContext > SAL_CALL getPreviousContext() const
+ SAL_THROW( () )
+ { return m_xPreviousContext; }
+};
+//__________________________________________________________________________________________________
+inline ContextLayer::ContextLayer( Reference< XCurrentContext > const & xNewContext )
+ SAL_THROW( () )
+ : m_aEnvTypeName( RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME) )
+{
+ ::uno_getCurrentContext( (void **)&m_xPreviousContext, m_aEnvTypeName.pData, 0 );
+ ::uno_setCurrentContext( xNewContext.get(), m_aEnvTypeName.pData, 0 );
+}
+//__________________________________________________________________________________________________
+inline ContextLayer::~ContextLayer()
+ SAL_THROW( () )
+{
+ ::uno_setCurrentContext( m_xPreviousContext.get(), m_aEnvTypeName.pData, 0 );
+}
+
+}
+}
+}
+}
+
+#endif